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4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System
4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System
4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System
4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System
Specifications
Model Number :
KF-900A-S
MOQ :
1
Delivery Time :
2-3 weeks
Payment Terms :
T/T
Standby Power :
≤ 3.0W
Energy Saving :
Demand-Controlled Ventilation Based on Air Quality
Price :
US$96
Communication Interface :
RS485 Standard
Display size :
4.3-Inch Color Touchscreen
Supply Ability :
100000pcs
Dimensions :
88 × 88 × 50 mm
Brand Name :
OEM or neutral (no brand)
Power Supply :
Customized According to Project Requirements
Certification :
CE, RoHS
Place of Origin :
Guangdong, China
Description
Product Overview:

KF-900A-S intelligent controller is capable of real-time monitoring of indoor temperature and humidity, PM2.5, CO2 (optional), WIFI (optional). Connecting to WIFI can display the temperature and humidity values of the local meteorological station, with RS485 control.

AC output signal directly controls the start and speed of the fresh air fan. It can be widely used in residential, commercial and industrial applications, and can effectively improve air quality, create a healthy, comfortable, energy-efficient living and working environment.

Key Features:

Smart Air Quality Control

Automatically adjusts fan speed according to real-time CO₂, PM2.5, and VOC levels to maintain healthy indoor air quality.

4.3-Inch Touchscreen

LCD color display provides clear visualization of system status, sensor data, and operating modes.

Remote App Control

Control and monitor the ventilation system anytime through Smart Life or Tuya Smart App.

RS485 Integration

Supports integration with BMS, HVAC, and smart building management systems.

Product Specifications:
* Dimension: 88 × 88 × 50 mm
* Warm-up time: 1 minute
* Fixing hole distance: 60mm (standard)
* Response time: ≤ 10 seconds
* Wiring terminal: Max 2.5 mm2 wire
* Recovery time: ≤ 30 seconds
* Rated voltage: AC110-240V, 50/60Hz
* Operating temperature: -10℃--- +50℃
* Standby Power: ≤ 3.0W
* Operating humidity: 5％RH——90％RH
* Control power: ≤ 200W
* Storage temperature: -10℃--- +60℃
* Suitable for fans: AC/EC/DC
* PM2.5 display range: 0ug/m3——999ug/M3
* Temperature display range: 0℃ —— 99℃
* C02 display range: 0ppm——9999ppm
* Humidity display range: 0%—99%


Product Images:

4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System

4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System


4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System


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4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System

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Product Detail
Model Number :
KF-900A-S
MOQ :
1
Delivery Time :
2-3 weeks
Payment Terms :
T/T
Standby Power :
≤ 3.0W
Energy Saving :
Demand-Controlled Ventilation Based on Air Quality
Contact Supplier
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4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System
4.3 Inch Indoor Air Quality Controller With Automatic Fan Speed Control For Fresh Air System

Shenzhen Xiangfan Electronics Technology Co., Ltd.

Verified Supplier
1 Years
shenzhen
Since 2010
Business Type :
Manufacturer
Main Products :
Smart HVAC Controller, Digital Ventilation Controller, Ventilation Fan Controller
Total Annual :
$9000000-US$10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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